Injury to cervical vertebra C3-C4 is particularly problematic because ________
A) several ganglia are near this region that serve the heart
B) the greater auricular nerve that serve the parotid gland receive there fibers from here
C) the phrenic nerve that serves the diaphragm receives its fibers from here
D) part of the brain stem is located here
C
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Which of the following is false regarding unsaturated fatty acids?
A. All of their hydrogen ions are occupied in double bonds. B. They contain one or more double bonds. C. They can be formed from nuts and other plants. D. They are found in cooking oil rather than a stick of butter.
The freely movable joint in the skull occurs between the mandible and the ________ bone.
Fill in the blank(s) with the appropriate word(s).
What respiratory event occurs when intrapulmonary pressure is less than atmospheric pressure?
A) ventilation B) exhalation C) inhalation D) Air movement does not occur.
A bell curve is characteristic of the distribution of phenotypes of a multifactorial trait because
A. most people are average for the trait. B. the phenotypes at the ends of the curve correspond to fewer genotypes than the phenotypes at the middle of the distribution. C. the phenotypes in the middle of the curve correspond to fewer genotypes than the phenotypes at the ends of the distribution. D. people at the extreme ends of the distribution do not survive to reproduce.